/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.flink.runtime.scheduler;

import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.execution.ExecutionState;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import org.apache.flink.runtime.executiongraph.TaskExecutionStateTransition;
import org.apache.flink.runtime.taskmanager.TaskExecutionState;

import static org.apache.flink.util.Preconditions.checkNotNull;

/**
 * Calls {@link SchedulerNG#updateTaskExecutionState(TaskExecutionStateTransition)} on task failure.
 * Calls {@link SchedulerNG#handleGlobalFailure(Throwable)} on global failures.
 */
public class UpdateSchedulerNgOnInternalFailuresListener implements InternalFailuresListener {

    private final SchedulerNG schedulerNg;

    private final JobID jobId;

    public UpdateSchedulerNgOnInternalFailuresListener(
            final SchedulerNG schedulerNg, final JobID jobId) {

        this.schedulerNg = checkNotNull(schedulerNg);
        this.jobId = checkNotNull(jobId);
    }

    @Override
    public void notifyTaskFailure(
            final ExecutionAttemptID attemptId,
            final Throwable t,
            final boolean cancelTask,
            final boolean releasePartitions) {

        final TaskExecutionState state =
                new TaskExecutionState(jobId, attemptId, ExecutionState.FAILED, t);
        schedulerNg.updateTaskExecutionState(
                new TaskExecutionStateTransition(state, cancelTask, releasePartitions));
    }

    @Override
    public void notifyGlobalFailure(Throwable t) {
        schedulerNg.handleGlobalFailure(t);
    }
}
